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BUG: KASAN: use-after-free in memcpy include/linux/string.h:352 [inline]
BUG: KASAN: use-after-free in generic_gcmaes_encrypt+0xc8/0x1a0 arch/x86/crypto/aesni-intel_glue.c:1134
Read of size 12 at addr ffff88808cd5fe00 by task kworker/1:3/7409

CPU: 1 PID: 7409 Comm: kworker/1:3 Not tainted 5.0.0-rc2+ #12
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: pencrypt padata_parallel_worker
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
 check_memory_region_inline mm/kasan/generic.c:185 [inline]
 check_memory_region+0x123/0x190 mm/kasan/generic.c:191
 memcpy+0x24/0x50 mm/kasan/common.c:130
 memcpy include/linux/string.h:352 [inline]
 generic_gcmaes_encrypt+0xc8/0x1a0 arch/x86/crypto/aesni-intel_glue.c:1134
 crypto_aead_encrypt include/crypto/aead.h:336 [inline]
 gcmaes_wrapper_encrypt+0x15d/0x200 arch/x86/crypto/aesni-intel_glue.c:986
 crypto_aead_encrypt include/crypto/aead.h:336 [inline]
 pcrypt_aead_enc+0xc7/0x190 crypto/pcrypt.c:143
 padata_parallel_worker+0x47f/0x7c0 kernel/padata.c:86
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352

Allocated by task 5206:
 save_stack+0x45/0xd0 mm/kasan/common.c:73
 set_track mm/kasan/common.c:85 [inline]
 __kasan_kmalloc mm/kasan/common.c:496 [inline]
 __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:469
 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:504
 kmem_cache_alloc_trace+0x151/0x760 mm/slab.c:3609
 kmalloc include/linux/slab.h:545 [inline]
 tls_set_sw_offload+0xf40/0x14a0 net/tls/tls_sw.c:2083
 do_tls_setsockopt_conf net/tls/tls_main.c:469 [inline]
 do_tls_setsockopt net/tls/tls_main.c:516 [inline]
 tls_setsockopt+0x687/0x770 net/tls/tls_main.c:535
 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3017
 __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902
 __do_sys_setsockopt net/socket.c:1913 [inline]
 __se_sys_setsockopt net/socket.c:1910 [inline]
 __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 5206:
 save_stack+0x45/0xd0 mm/kasan/common.c:73
 set_track mm/kasan/common.c:85 [inline]
 __kasan_slab_free+0x102/0x150 mm/kasan/common.c:458
 kasan_slab_free+0xe/0x10 mm/kasan/common.c:466
 __cache_free mm/slab.c:3487 [inline]
 kfree+0xcf/0x230 mm/slab.c:3806
 tls_sk_proto_close+0x612/0x770 net/tls/tls_main.c:279
 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428
 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:473
 __sock_release+0xd3/0x250 net/socket.c:579
 sock_close+0x1b/0x30 net/socket.c:1141
 __fput+0x3c5/0xb10 fs/file_table.c:278
 ____fput+0x16/0x20 fs/file_table.c:309
 task_work_run+0x1f4/0x2b0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x32a/0x3b0 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff88808cd5fe00
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 0 bytes inside of
 32-byte region [ffff88808cd5fe00, ffff88808cd5fe20)
The buggy address belongs to the page:
page:ffffea00023357c0 count:1 mapcount:0 mapping:ffff88812c3f01c0 index:0xffff88808cd5ffc1
flags: 0x1fffc0000000200(slab)
raw: 01fffc0000000200 ffffea0002911248 ffffea00024e8408 ffff88812c3f01c0
raw: ffff88808cd5ffc1 ffff88808cd5f000 0000000100000037 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88808cd5fd00: fb fb fb fb fc fc fc fc 00 fc fc fc fc fc fc fc
 ffff88808cd5fd80: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
>ffff88808cd5fe00: fb fb fb fb fc fc fc fc 00 fc fc fc fc fc fc fc
                   ^
 ffff88808cd5fe80: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
 ffff88808cd5ff00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
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